Tongfang Health Technology is one of the leading cstf-tz-4000 step tester suppliers,Website:http://www.bodivis-analyzers.com, ... factory, which is able to offer you newest cstf-tz-4000 step tester bodivis, CE, CEMDD, ROHS, ISO9001, and ... test result will be displayed in the LCD.Technical SpecificationMeasure pulse and calculate heart rehabilitation indexunder certain load automaticallymeasurement: 0~ ...